Ingredients
1 package (10 1/2 ounces) dried udon noodles
1 baby bok choy
1/4 cup smooth peanut butter
5 tablespoons toasted sesame oil
3 tablespoons soy sauce
1/4 cup rice-wine vinegar (not seasoned)
1 large garlic clove, minced
2 teaspoons sugar
1/2 teaspoon crushed red-pepper flakes
Sesame seeds, for garnish
Preparation
Bring a large pot of water to a boil; cook noodles according to package directions. Drain; let cool completely.
Bring 3 cups water to a boil in a medium saucepan; boil bok choy 30 seconds. Drain; rinse well. Let cool; coarsely chop.
Whisk together the peanut butter, oil, soy sauce, vinegar, garlic, sugar, and red-pepper flakes. Put sauce, noodles, and bok choy into a bowl; toss well. Sprinkle with seeds.